You might say your child was good as gold when he behaved well at school.

VOA: special.2010.06.06

The question is what it means to say something is backed by something because well you could say it's backed by gold because the Fed has eleven billion dollars of gold.

问题在于，说某个东西被另一个东西支持,意味着，你可以说,货币被金子支持着,因为美联储有一百一十亿美元的金子。

耶鲁公开课 - 金融市场课程节选

Some customers want to use your safe because safes are hard and expensive to get and some -and then you've got all this gold, so you might as well lend it out.

顾客需要使用你的保险箱,因为对个人而言保险箱既昂贵又难以获得,这样你就拿到他们的金子,然后你可以把金子借出去

耶鲁公开课 - 金融市场课程节选

Each one hoped that the place he claimed panned out well - had some gold.

VOA: special.2010.04.25

This is very important,which is why I am doing it: "If we want to know how fast a human being can run, then it is no use to average out the speed of a "good sample" of the population; it is far better to collect Olympic gold medal winners and see how well they can do.

这话非常重要，是我作这个研究的原因：,“如果想知道人类最快能跑多快，那从好的样本中测出平均数是“,没用的;,而应该收集田径类奥运冠军的信息,看他们能跑多快。

哈佛公开课 - 幸福课课程节选

It was an express company whose stagecoaches carried passengers as well as gold,silver, and strongboxes stuffed with cash - helping to open the rugged West in the process.

VOA: standard.2010.03.11

That talent has made him a two-time Most Valuable Player, as well as a reigning Olympic gold medalist as a member of the U.S national team that won in Beijing in 2008.

VOA: standard.2010.07.08